import cn.laixueit.mapper.StudentMapper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:applicationContext.xml"})
public class Demo {

    @Autowired
    private StudentMapper studentMapper;

    @Test
    public void getbena(){
        System.out.println(studentMapper.selectByExample(null));
    }

}
